Local Calling Guide

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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-474 A Mapleton WI MPTNWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-474 1 Mapleton WI   145J TERRA NOVA TELECOM INC. 356   2025-08-17   
920-474 3 Mapleton WI MPTNWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-474 4 Mapleton WI MPTNWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-474 5 Mapleton WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2010-03-04   
920-474 6 Mapleton WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-474 7 Mapleton WI MPTNWIXARS0  0886 FRONTIER NORTH INC. - WI 356      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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